Table 3-3. Troubleshooting (Cont)MALFUNCTION7. L O W oil pressure indi-cated on oil pressuregage.8. Noisy turbocharger .9.Turbocharger leaksoil.10. High oil pressureindicated on oilpressure gage .11. High coolant temper-ature indicated oncoolant temperaturegage.PROBABLE CAUSEa.—b.c.—d.—e.—f.—g.a.—b.—a .—b.a.—b.—a.—b.—c.—d.—e.—f.—g.h.—i.j.k.—Oil level too low.Defective oil pressuregage.Defective oil pressuret r a n s m i t t e r.Clogged lube oil filters.Improper viscosity oilWorn oil pump.Worn bearings.Improper turbochargerlubrication.Loose turbocharger endplates.Loose turbochargerend plates.Defective turbochargerhousing.See b, c and e frommalfunction 7.Oil pressure regulator.Coolant level low.High coolant temperaturedue to incorrect coolant.Lube oil level low.Defective or improperlyadjusted fan belts.Insufficient heat transferthrough radiator.Defective coolantthermostat.Defective water pump.Clogged radiator.Generator set over-loaded.Defective coolant tem-perature transmitter.Defective coolant tem-perature gage.CORRECTIVE ACTIONa.b.c.d.—e.f.—g.a.—b.a.—b.—a.—b.—a.—b.—c.—d.—e.—f.g.hi.j.k.Add oil until proper level is indicated on oillevel gage (para 3-4).Replace gage (para 3-121).Replace transmitter (para 3-193).Service filters (para 3-4).Drain crankcase and fill with proper lube oil(fig. 3-l).Replace oil pump.Replace bearings.Clean turbocharger oil passages (para 3-203).Tighten end plate screws (para 3 -203).Tighten turbocharger end plate screws(para 3-203).Inspect housing. Replace turbocharger(para 3-203).See b. c and e of malfunction 7.——Replace oil pressure regulatorAdd coolant (para 3-41).Check for proper coolant mixture. Corrector replace as necessary (para 3-41).Add lube oil (fig. 3-l).Adjust or replace fan belts (para 3-183).Check that air inlet doors are open.Check shutter operation (para 3-171).Insure that there is at least 10.200 CFM or12,300 CFM cu. ft. air supply (fig. 2-l).Replace thermostat (para 3-209).Replace water pump (para 3-206).Replace radiator (para 3-172).Check that the generator load does not ex-ceed the ratings specified on the kilowattcapacity nameplate 70-1345 (M2), 70-1346(Ml).Replace transmitter (para 3-209).Replace gage (para 3-120).C h a n g e 33-23
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